Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8956 and 8960 the smallest integer that is 20061440 that is divisible by both numbers.
Least Common Multiple (LCM) of 8956 and 8960 is 20061440.
LCM(8956,8960) = 20061440
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 8956 and 8960. First we will calculate the prime factors of 8956 and 8960.
Prime Factorization of 8956
2 | 8956 |
2 | 4478 |
2239 | 2239 |
1 |
Prime factors of 8956 are 2,2239. Prime factorization of 8956 in exponential form is:
8956 = 22×22391
Prime Factorization of 8960
2 | 8960 |
2 | 4480 |
2 | 2240 |
2 | 1120 |
2 | 560 |
2 | 280 |
2 | 140 |
2 | 70 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 8960 are 2, 5,7. Prime factorization of 8960 in exponential form is:
8960 = 28×51×71
Now multiplying the highest exponent prime factors to calculate the LCM of 8956 and 8960.
LCM(8956,8960) = 28×51×71×22391
LCM(8956,8960) = 20061440
Factors of 8956
List of positive integer factors of 8956 that divides 8956 without a remainder.
1, 2, 4, 2239, 4478, 8956
Factors of 8960
List of positive integer factors of 8960 that divides 8960 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8956 and 8960, than apply into the LCM equation.
GCF(8956,8960) = 4
LCM(8956,8960) = ( 8956 × 8960) / 4
LCM(8956,8960) = 80245760 / 4
LCM(8956,8960) = 20061440
(i) The LCM of 8960 and 8956 is associative
LCM of 8956 and 8960 = LCM of 8960 and 8956
1. What is the LCM of 8956 and 8960?
Answer: LCM of 8956 and 8960 is 20061440.
2. What are the Factors of 8956?
Answer: Factors of 8956 are 1, 2, 4, 2239, 4478, 8956. There are 6 integers that are factors of 8956. The greatest factor of 8956 is 8956.
3. What are the Factors of 8960?
Answer: Factors of 8960 are 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960. There are 36 integers that are factors of 8960. The greatest factor of 8960 is 8960.
4. How to Find the LCM of 8956 and 8960?
Answer:
Least Common Multiple of 8956 and 8960 = 20061440
Step 1: Find the prime factorization of 8956
8956 = 2 x 2 x 2239
Step 2: Find the prime factorization of 8960
8960 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 7
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 20061440 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 7 x 2239
Step 4: Therefore, the least common multiple of 8956 and 8960 is 20061440.